Which products and versions are affected by CVE-2020-11579?

Affected: Phpkb (Chadhaajay) versions 9.0. The full list is in the CVE brief.

Is CVE-2020-11579 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2020-11579 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2020-11579?

No public exploit code is known.

Is there a fix for CVE-2020-11579?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2020-11579 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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WatchlistHigh

CVE-2020-11579Phpkb Missing Authentication

installer/test-connection.php (part of the installation process) allows a remote unauthenticated attacker to disclose local files on hosts running PHP before 7.2.16, or on hosts where the MySQL ALLOW LOCAL DATA INFILE option is enabled.

Published Sep 3, 2020 · Updated Aug 7, 2026

Key Facts

Patch in the next maintenance window

CVE-2020-11579 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Phpkb (Chadhaajay).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 27% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Scores

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

27%

Higher than 98.0% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

35/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://shielder.it/

Description

An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition. installer/test-connection.php (part of the installation process) allows a remote unauthenticated attacker to disclose local files on hosts running PHP before 7.2.16, or on hosts where the MySQL ALLOW LOCAL DATA INFILE option is enabled.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
PhpkbChadhaajay	9.0	n/a

Timeline

Publicly disclosed
Sep 3, 2020
Last updated
Aug 7, 2026

Weakness Type

CWE-306 Missing Authentication for Critical Function

References

FAQ

Common Questions.

An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition.
Affected: Phpkb (Chadhaajay) versions 9.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Is CVE-2020-11579 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.